Atlona AT-APC21A User manual

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For International: 1-408-962-0515
User Manual
AtlonA
2X1 VGA W/ STEREO AUDIO
(AUTOMATIC) SWITCHER
AT-APC21A

www.atlona.com | toll free: 1-877-536-3976
For International: 1-408-962-0515 2
TABLE OF CONTENTS
1. Introduction .................................................. 3
2. Package Contents .................................................. 3
3. Features .................................................. 3
4. Specication .................................................. 3
5. Panel Descriptions .................................................. 4
5.1 Front Panel .................................................. 4
5.2 Rear Panel .................................................. 4
6. Connection and Installation .................................................. 5
7. Safety Information .................................................. 6
8. Warranty .................................................. 7
9. Atlona Product Registration .................................................. 8

www.atlona.com | toll free: 1-877-536-3976
For International: 1-408-962-0515 3
INTRODUCTION
PACKAGE CONTENTS:
FEATURES:
SPECIFICATIONS:
Atlona Technologies’ AT-APC21A is an automatic VGA Switcher with 2 inputs to 1 output with Stereo Audio. This unit fea-
tures multiple switching capabilities including automatic selection of the active channel to eliminate the need of manual
control. To switch over to another channel, simply turn on the other device or use external control button. A manual control
button is also available to switch between desired channels. This automatic 2x1 VGA switcher supports 350MHz bandwidth
with maximum VGA resolutions up to 2048x1536. This unit is the ideal solution for connecting two VGA devices for applica-
tions involving conference rooms, surveillance, video game consoles, etc.
• Atlona AT-APC21A 2x1 Signal Sensing Automatic VGA Switcher w/Analog Audio
• Wired manual selector
• User Manual
• Switch between two VGA w/Audio sources to a single monitor and set of speakers
• No Software required
• Supports VGA, XGA, SVGA, SXGA, UXGA, WUXGA, Multi-sync, TFT-LCD monitor
• Supports stereo audio
• Auto detect monitor type and DDC2B signal for each port
• Supports 350MHz bandwidth with maximum VGA resolution 2048x1536
• Video enhancement to extend quality video up to 30 meters
• Auto switch to new connected VGA channel (Auto Detect & Select)
• Optional external control button for manual selection
• Dual color LED to indicate active channel status
• Power-free, electronic design to protect connected devices
• Magnetic pad for ease installation
Model Name 2-Port VGA Audio Switch
VGA Cable (Suggested) UL 2919 RGB 3+ 4VGA Cables
Channel Select Method Auto Detection
Connector Input Two Sets of HDB-15 (Female) & 3.5 mm Jack
Output One Set of HDB-15 (Female) & 3.5 mm Jack
Signal Type VGA, XGA, SVGA, UXGA, WUXGA, Multi-sync, TFT-LCD Monitor
Video Bandwidth 450 MHz
Maximum VGA Resolution 2048 x 1536
Maximum Distance 30 meters
Power Supply Taken from VGA Signal or DC 5V power adapter
LED Display Blue for Channel 1; Green for Channel 2
Casing Metal
Dimension (L x W x H in mm) 113 x 62 x 29
Operating Temperature 0° C ~50° C
Storage Temperature 0° C ~60° C
Humidity 25%~70% Non-Condensing

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PANEL DESCRIPTION
1. Channel Display Status: LED will Light up Blue for Channel 1
and Green for Channel 2
2. Channel 1 Audio Input
3. Channel 1 VGA Input
4. Channel 2 VGA Input
5. Channel 2 Audio Input
1. External Control Button
2. VGA Output: Connect to VGA monitor/projector
3. Audio Output: Connect to speaker
4. Power Adapter (Spare)
1. Front Panel
2. Rear Panel
1
2
1
3
4
2 3
4
5

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For International: 1-408-962-0515 5
CONNECTION AND INSTALLATION
1. Connect the desired VGA monitor and speaker to the output of the AT-APC21A and two VGA + Audio sources to the
corresponding inputs of the AT-APC21A via VGA and audio cables.
2. The LED display on the switch panel will turn on when the switch detects a VGA signal (Blue: Channel 1, Green: Chan-
nel 2) The External control button is available for manual switching.
3. Please use standard high quality VGA cable to ensure best image quality.
4. Select methods:
A. External control button: Push this button to switch to desired channels. The button will be inactive if only one channel
is activated.
B. Auto switching: The switcher will automatically detect a new input signal and change to that signal. If one of the two
sources is unplugged, the switch will automatically change to the available channel.

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For International: 1-408-962-0515 6
SAFETY INFORMATION
Safeguards
To reduce the risk of electric shock, do not
expose this product to rain or moisture.
If the wall plug does not t into your local
power socket, hire an electrician to replace
your obsolete socket.
Do not modify the wall plug.
Doing so will void the warranty and safety
features.
This equipment should be installed near
the socket outlet and the device should
be easily accessible in case it requires
disconnection.
Precautions
FCC Regulations state that any
unauthorized changes or modications to
this equipment not expressly approved by
the manufacturer could void the
user’s authority to operate this
equipment.
Operate this product using only the
included external power supply. Use of
other power supplies could impair
performance, damage the product or cause
res.
In the event of an electrostatic discharge,
this device may automatically turn off. If this
occurs, unplug the device, and plug it back
in.
Protect and route power cords so they will
not be stepped on or pinched by anything
placed on or against them. Be especially
careful of plug-ins, or cord exit points from
this product.
Avoid excessive humidity, sudden
temperature changes or temperature
extremes.
Keep this product away from wet locations
such as bathtubs, sinks, laundries, wet
basements and swimming pools.
Use only accessories recommended by
ATLONA to avoid re, shock or other
hazards.
Unplug the product before cleaning. Use
a damp cloth for cleaning. Do not use
cleaning uid or aerosols, which could
enter the unit and cause damage, re or
electrical shock. Some substances may
also mar the nish of the product.
Never open or remove unit panels or make
any adjustments not described in this
manual. Attempting to do so could expose
you to dangerous electrical shock or other
hazards. It may also cause damage to your
AT-APC21. Opening the product will void
the warranty.
Do not attempt to service the unit. Instead
disconnect it and contact your Authorized
ATLONA reseller or contact ATLONA
directly.

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For International: 1-408-962-0515 7
1. LIMITED WARRANTY
Atlona Technologies warrants that (a) its products (the “Product”) will perform substantially in accordance with the ac-
companying written materials for a period of 3 YEARS from the date of receipt and (b) that the Product will be free from
defects in materials and workmanship under normal use and service for a period of 3 years. In the event applicable law
imposes any implied warranties, the implied warranty period is limited to 3 years from the date of receipt. Some jurisdic-
tions do not allow such limitations on duration of an implied warranty, so the above limitation may not apply to Customer.
2. CUSTOMER REMEDIES
Atlona Technologies and its suppliers’ entire liability and Customer’s exclusive remedy shall be, at Atlona Technologies’
option, either return of the price paid for the Product, or repair or replacement of the Product that does not meet this
Limited Warranty and which is returned to Atlona Technologies with a copy of Customer’s receipt. This Limited Warranty
is void if failure of the Product has resulted from accident, abuse, or misapplication. Any replacement Product will be war-
ranted for the remainder of the original warranty period or 3 year, whichever is longer.
3. NO OTHER WARRANTIES
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, ATLONA TECHNOLOGIES AND ITS SUPPLIERS
DISCLAIM ALL OTHER WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO IM-
PLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, WITH REGARD TO
THE PRODUCT AND ANY RELATED WRITTEN MATERIALS. THIS LIMITED WARRANTY GIVES CUSTOMER SPE-
CIFIC LEGAL RIGHTS. CUSTOMER MAY HAVE OTHER RIGHTS DEPENDING ON THE JURISDICTION.
4. NO LIABILITY FOR DAMAGES
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL ATLONA TECHNOLOGIES OR
ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER (INCLUDING WITHOUT LIMITATION, SPECIAL, IN-
CIDENTAL, CONSEQUENTIAL, OR INDIRECT DAMAGES FOR PERSONAL INJURY, LOSS OF BUSINESS PROFITS,
BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR ANY OTHER PECUNIARY LOSS) ARISING
OUT OF THE USE OF OR INABILITY TO USE THIS PRODUCT, EVEN IF ATLONA TECHNOLOGIES HAS BEEN AD-
VISED OF THE POSSIBILITY OF SUCH DAMAGES. IN ANY CASE, ATLONA TECHNOLOGIES’ AND ITS SUPPLIERS’
ENTIRE LIABILITY UNDER ANY PROVISION OF THIS AGREEMENT SHALL BE LIMITED TO THE AMOUNT ACTU-
ALLY PAID BY YOU FOR THE PRODUCT. BECAUSE SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR
LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, THE ABOVE LIMITATION MAY NOT
APPLY TO YOU.

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For International: 1-408-962-0515 8
ATLONA PRODUCT REGISTRATION
Thank you for purchasing this Atlona product — we hope you’ll enjoy it.
We also hope that you’ll take a few moments to register your new purchase. Registration creates an ownership
record if your product is lost or stolen and helps ensure you’ll receive notication of performance issues and rmware
updates.
At Atlona, we respect and protect your privacy and assure you that your registration information is completely
secure. Of course, Atlona product registration is totally voluntary and failure to register will not diminish your limited war-
ranty rights.
To register go to www.atlona.com/registration